Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7609843 | Sound collector | Hajime Hatano, Shinsuke Terashima | 2009-10-27 |
| 7352875 | Speaker apparatus | Hajime Hatano, Shinsuke Terashima | 2008-04-01 |
| 5798459 | Subject identification method, apparatus and system | Ryoji Ohba | 1998-08-25 |
| 5476730 | Air cell | Okiyoshi Okamura, Masayuki Wakasa | 1995-12-19 |
| 5240785 | Air cell | Okiyoshi Okamura, Kazuaki Nakaura | 1993-08-31 |